First Characterization of a New Method for Numerically Solving the Dirichlet Problem of the Two-Dimensional Electrical Impedance Equation

Figure 9

Absolute values of the coefficients 𝛼_𝑛 employed for approaching the boundary condition 𝑢|_Γ=(1/3)(𝑥+𝑦)³ + 0.1(𝑥+𝑦), utilizing the base elements {𝑢_𝑛} corresponding to the conductivity function 𝜎=((𝑥+𝑦)²+0.1)⁻¹.